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From sgoto <samuelg...@gmail.com>
Subject Re: r.e.p.l.i.c.a.t.i.o.n through proxy problems
Date Fri, 08 Oct 2010 00:58:13 GMT
yay, i was finally able to post this :) i had to replace all instances of
replication to r.e.p.l.i.c.a.t.i.o.n to by pass apache's spam filter :(

On Thu, Oct 7, 2010 at 5:54 PM, sgoto <samuelgoto@gmail.com> wrote:

> hey everyone,
>
>      i'm stuck at a r.e.p.l.i.c.a.t.i.o.n problem and i thought i should
> ask before debugging more.
>
>      context: i have a couchdb instance that i would like to put behind a
> proxy. the couchdb instance runs on the default port :5984 and i have a
> Jetty proxy on front of it on another port 9093. My servlet container
> proxies all requests coming from http://localhost:9093/replicate/* to
> http://localhost:5984/*. Hitting http://localhost:9093/replicate responds
> to most commands but i'm having problems replicating dbs with the proxy.
>
>      problem: i have to trigger a r.e.p.l.i.c.a.t.i.o.n between a local db
> and a db that is proxied. i use this:
>
> goto@goto-laptop:~/Workspace/couchdb/kumbaya$ curl -X POST --header
> "Content-Type: application/json" -d
> '{"source":"test","target":"http://admin:mypassword@localhost:9093/replicate/test2","continuous":true}'
>  http://localhost:5984/_replicate
>
>      where test is my local db and test2 is a db on the same couchdb
> instance but proxied. couchdb kindly replies:
>
> *{"ok":true,"_local_id":"900f0e46186175a5a31314ea5ad24857"}*
>
>      however, r.e.p.l.i.c.a.t.i.o.n doesn't really work (saving docs in one
> db doesn't replicate to the other).
>
>      after replication starts, my proxy keeps getting these requests (which
> are forwarded to the couchdb instance) ...
>
> POST /replicate/test2/_missing_revs HTTP/1.1
> Accept-Encoding: gzip
> Accept: application/json
> User-Agent: CouchDB/1.0.1
> Authorization: Basic YWRtaW46bXlwYXNzd29yZA==
> Host: localhost:9093
> Content-Length: 75
>
>     ...  which the couchdb instance fails to respond as you can see at the
> ends of this log  ...
>
> [Thu, 07 Oct 2010 07:22:34 GMT] [debug] [<0.447.0>] 'POST'
> /test2/_missing_revs {1,1}
> Headers: [{'Accept',"application/json"},
>           {'Accept-Encoding',"gzip"},
>           {'Authorization',"Basic YWRtaW46bXlwYXNzd29yZA=="},
>           {'Connection',"keep-alive"},
>           {'Content-Length',"75"},
>           {'Host',"localhost:9093"},
>           {'User-Agent',"CouchDB/1.0.1"},
>           {'Via',"1.1 (jetty)"},
>           {'X-Forwarded-For',"127.0.0.1"}]
>
> [Thu, 07 Oct 2010 07:22:34 GMT] [debug] [<0.447.0>] OAuth Params: []
>
>     this is the full log from the couchdb instance's perspective. it all
> starts with a /_r.e.p.l.i.c.a.t.e and it gets stuck at a sending
> /test2/_missing_revs requests.
>
> [Thu, 07 Oct 2010 07:18:47 GMT] [debug] [<0.219.0>] 'POST' /_replicate
> {1,1}
> Headers: [{'Accept',"*/*"},
>           {'Content-Length',"101"},
>           {'Content-Type',"application/json"},
>           {'Host',"localhost:5984"},
>           {'User-Agent',"curl/7.19.7 (x86_64-pc-linux-gnu) libcurl/7.19.7
> OpenSSL/0.9.8k zlib/1.2.3.3 libidn/1.15"}]
>
> [Thu, 07 Oct 2010 07:18:47 GMT] [debug] [<0.219.0>] OAuth Params: []
>
> [Thu, 07 Oct 2010 07:18:59 GMT] [debug] [<0.229.0>] 'HEAD' /test2/ {1,1}
> Headers: [{'Accept',"application/json"},
>           {'Accept-Encoding',"gzip"},
>           {'Authorization',"Basic YWRtaW46bXlwYXNzd29yZA=="},
>           {'Connection',"keep-alive"},
>           {'Host',"localhost:9093"},
>           {'User-Agent',"CouchDB/1.0.1"},
>           {'Via',"1.1 (jetty)"},
>           {'X-Forwarded-For',"127.0.0.1"}]
>
> [Thu, 07 Oct 2010 07:18:59 GMT] [debug] [<0.229.0>] OAuth Params: []
>
> [Thu, 07 Oct 2010 07:18:59 GMT] [info] [<0.229.0>] 127.0.0.1 - - 'HEAD'
> /test2/ 200
>
> [Thu, 07 Oct 2010 07:18:59 GMT] [debug] [<0.229.0>] 'GET' /test2/ {1,1}
> Headers: [{'Accept',"application/json"},
>           {'Accept-Encoding',"gzip"},
>           {'Authorization',"Basic YWRtaW46bXlwYXNzd29yZA=="},
>           {'Connection',"keep-alive"},
>           {'Host',"localhost:9093"},
>           {'User-Agent',"CouchDB/1.0.1"},
>           {'Via',"1.1 (jetty)"},
>           {'X-Forwarded-For',"127.0.0.1"}]
>
> [Thu, 07 Oct 2010 07:18:59 GMT] [debug] [<0.229.0>] OAuth Params: []
>
> [Thu, 07 Oct 2010 07:18:59 GMT] [info] [<0.229.0>] 127.0.0.1 - - 'GET'
> /test2/ 200
>
> [Thu, 07 Oct 2010 07:18:59 GMT] [debug] [<0.230.0>] didn't find a
> r.e.p.l.i.c.a.t.i.o.n log for test
>
> [Thu, 07 Oct 2010 07:18:59 GMT] [debug] [<0.229.0>] 'GET'
> /test2/_local%2F900f0e46186175a5a31314ea5ad24857 {1,1}
> Headers: [{'Accept',"application/json"},
>           {'Accept-Encoding',"gzip"},
>           {'Authorization',"Basic YWRtaW46bXlwYXNzd29yZA=="},
>           {'Connection',"keep-alive"},
>           {'Host',"localhost:9093"},
>           {'User-Agent',"CouchDB/1.0.1"},
>           {'Via',"1.1 (jetty)"},
>           {'X-Forwarded-For',"127.0.0.1"}]
>
> [Thu, 07 Oct 2010 07:18:59 GMT] [debug] [<0.229.0>] OAuth Params: []
>
> [Thu, 07 Oct 2010 07:18:59 GMT] [debug] [<0.229.0>] Minor error in HTTP
> request: {not_found,missing}
>
> [Thu, 07 Oct 2010 07:18:59 GMT] [debug] [<0.229.0>] Stacktrace:
> [{couch_httpd_db,couch_doc_open,4},
>              {couch_httpd_db,db_doc_req,3},
>              {couch_httpd_db,do_db_req,2},
>              {couch_httpd,handle_request_int,5},
>              {mochiweb_http,headers,5},
>              {proc_lib,init_p_do_apply,3}]
>
> [Thu, 07 Oct 2010 07:18:59 GMT] [info] [<0.229.0>] 127.0.0.1 - - 'GET'
> /test2/_local%2F900f0e46186175a5a31314ea5ad24857 404
>
> [Thu, 07 Oct 2010 07:18:59 GMT] [debug] [<0.229.0>] httpd 404 error
> response:
>  {"error":"not_found","reason":"missing"}
>
>
> [Thu, 07 Oct 2010 07:18:59 GMT] [debug] [<0.230.0>] didn't find a
> r.e.p.l.i.c.a..t.i.o.n log for http://admin:mypassword@localhost
> :9093/replicate/test2/
>
> [Thu, 07 Oct 2010 07:18:59 GMT] [info] [<0.219.0>] starting new replication
> "900f0e46186175a5a31314ea5ad24857+continuous" at <0.230.0>
>
> [Thu, 07 Oct 2010 07:18:59 GMT] [info] [<0.219.0>] 127.0.0.1 - - 'POST'
> /_replicate 202
>
>     ideas ?
>
>     sam
>
>
> --
> f u cn rd ths u cn b a gd prgmr !
>



-- 
f u cn rd ths u cn b a gd prgmr !

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